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Paper/patches/server/0794-Optimise-WorldServer-notify.patch
Nassim Jahnke ada930bf8d
Updated Upstream (Bukkit/CraftBukkit) (#6872) 
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
cfd18bd0 SPIGOT-6436: Add Player#stopAllSounds

CraftBukkit Changes:
b58f4299 SPIGOT-6436: Add Player#stopAllSounds
eb191612 SPIGOT-6783: Items do not appear in custom anvil inventories
376edf4f SPIGOT-6779: Fix LivingEntity#attack for Player entities
747a73ec SPIGOT-6772: Use entity mailbox and re-schedule entities if they get unloaded
2021-11-05 15:08:24 +01:00

326 Zeilen
18 KiB
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Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Thu, 9 Jul 2020 13:34:59 -0700
Subject: [PATCH] Optimise WorldServer#notify
Iterating over all of the navigators in the world is pretty expensive.
Instead, only iterate over navigators in the current region that are
eligible for repathing.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index bef7d5b4c8b99d2fbcd975127b16653e0f391338..19a853ceeded1c8803d182d035f0362abfa29933 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -290,15 +290,81 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
public final io.papermc.paper.chunk.SingleThreadChunkRegionManager dataRegionManager;
public static final class DataRegionData implements io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionData {
+ // Paper start - optimise notify()
+ private io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> navigators;
+
+ public io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> getNavigators() {
+ return this.navigators;
+ }
+
+ public boolean addToNavigators(final Mob navigator) {
+ if (this.navigators == null) {
+ this.navigators = new io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<>();
+ }
+ return this.navigators.add(navigator);
+ }
+
+ public boolean removeFromNavigators(final Mob navigator) {
+ if (this.navigators == null) {
+ return false;
+ }
+ return this.navigators.remove(navigator);
+ }
+ // Paper end - optimise notify()
}
public static final class DataRegionSectionData implements io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSectionData {
+ // Paper start - optimise notify()
+ private io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> navigators;
+
+ public io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> getNavigators() {
+ return this.navigators;
+ }
+
+ public boolean addToNavigators(final io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section, final Mob navigator) {
+ if (this.navigators == null) {
+ this.navigators = new io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<>();
+ }
+ final boolean ret = this.navigators.add(navigator);
+ if (ret) {
+ final DataRegionData data = (DataRegionData)section.getRegion().regionData;
+ if (!data.addToNavigators(navigator)) {
+ throw new IllegalStateException();
+ }
+ }
+ return ret;
+ }
+
+ public boolean removeFromNavigators(final io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section, final Mob navigator) {
+ if (this.navigators == null) {
+ return false;
+ }
+ final boolean ret = this.navigators.remove(navigator);
+ if (ret) {
+ final DataRegionData data = (DataRegionData)section.getRegion().regionData;
+ if (!data.removeFromNavigators(navigator)) {
+ throw new IllegalStateException();
+ }
+ }
+ return ret;
+ }
+ // Paper end - optimise notify()
+
@Override
public void removeFromRegion(final io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section,
final io.papermc.paper.chunk.SingleThreadChunkRegionManager.Region from) {
final DataRegionSectionData sectionData = (DataRegionSectionData)section.sectionData;
final DataRegionData fromData = (DataRegionData)from.regionData;
+ // Paper start - optimise notify()
+ if (sectionData.navigators != null) {
+ for (final Iterator<Mob> iterator = sectionData.navigators.unsafeIterator(io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet.ITERATOR_FLAG_SEE_ADDITIONS); iterator.hasNext();) {
+ if (!fromData.removeFromNavigators(iterator.next())) {
+ throw new IllegalStateException();
+ }
+ }
+ }
+ // Paper end - optimise notify()
}
@Override
@@ -308,6 +374,15 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
final DataRegionSectionData sectionData = (DataRegionSectionData)section.sectionData;
final DataRegionData oldRegionData = oldRegion == null ? null : (DataRegionData)oldRegion.regionData;
final DataRegionData newRegionData = (DataRegionData)newRegion.regionData;
+ // Paper start - optimise notify()
+ if (sectionData.navigators != null) {
+ for (final Iterator<Mob> iterator = sectionData.navigators.unsafeIterator(io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet.ITERATOR_FLAG_SEE_ADDITIONS); iterator.hasNext();) {
+ if (!newRegionData.addToNavigators(iterator.next())) {
+ throw new IllegalStateException();
+ }
+ }
+ }
+ // Paper end - optimise notify()
}
}
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index fba157221a54335dfd7b1a5911cebd5547a81712..08c6ea9f19fa9218af089ed3bd2dcda1e83591ed 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1079,6 +1079,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void tickNonPassenger(Entity entity) {
// Paper start - log detailed entity tick information
io.papermc.paper.util.TickThread.ensureTickThread("Cannot tick an entity off-main");
+ this.entityManager.updateNavigatorsInRegion(entity); // Paper - optimise notify
try {
if (currentlyTickingEntity.get() == null) {
currentlyTickingEntity.lazySet(entity);
@@ -1524,9 +1525,19 @@ public class ServerLevel extends Level implements WorldGenLevel {
VoxelShape voxelshape1 = newState.getCollisionShape(this, pos);
if (Shapes.joinIsNotEmpty(voxelshape, voxelshape1, BooleanOp.NOT_SAME)) {
- Iterator iterator = this.navigatingMobs.iterator();
+ // Paper start - optimise notify()
+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.Region region = this.getChunkSource().chunkMap.dataRegionManager.getRegion(pos.getX() >> 4, pos.getZ() >> 4);
+ if (region == null) {
+ return;
+ }
+ io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> navigatorsFromRegion = ((ChunkMap.DataRegionData)region.regionData).getNavigators();
+ if (navigatorsFromRegion == null) {
+ return;
+ }
+ io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet.Iterator<Mob> iterator = navigatorsFromRegion.iterator();
- while (iterator.hasNext()) {
+
+ try { while (iterator.hasNext()) { // Paper end - optimise notify()
// CraftBukkit start - fix SPIGOT-6362
Mob entityinsentient;
try {
@@ -1545,6 +1556,11 @@ public class ServerLevel extends Level implements WorldGenLevel {
navigationabstract.recomputePath(pos);
}
}
+ // Paper start - optimise notify()
+ } finally {
+ iterator.finishedIterating();
+ }
+ // Paper end - optimise notify()
}
} // Paper
@@ -2326,10 +2342,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void onTickingStart(Entity entity) {
ServerLevel.this.entityTickList.add(entity);
+ ServerLevel.this.entityManager.addNavigatorsIfPathingToRegion(entity); // Paper - optimise notify
}
public void onTickingEnd(Entity entity) {
ServerLevel.this.entityTickList.remove(entity);
+ ServerLevel.this.entityManager.removeNavigatorsFromData(entity); // Paper - optimise notify
}
public void onTrackingStart(Entity entity) {
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
index 61080352ef305a1f276dbc297aa680b3175a5da2..10505f32b71b723ed8dbfd9e1348a1691c9f7f18 100644
--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
@@ -27,7 +27,7 @@ import net.minecraft.world.phys.Vec3;
public abstract class PathNavigation {
private static final int MAX_TIME_RECOMPUTE = 20;
- protected final Mob mob;
+ protected final Mob mob; public final Mob getEntity() { return this.mob; } // Paper - public accessor
protected final Level level;
@Nullable
protected Path path;
@@ -40,7 +40,7 @@ public abstract class PathNavigation {
protected long lastTimeoutCheck;
protected double timeoutLimit;
protected float maxDistanceToWaypoint = 0.5F;
- protected boolean hasDelayedRecomputation;
+ protected boolean hasDelayedRecomputation; protected final boolean needsPathRecalculation() { return this.hasDelayedRecomputation; } // Paper - public accessor
protected long timeLastRecompute;
protected NodeEvaluator nodeEvaluator;
private BlockPos targetPos;
@@ -49,6 +49,13 @@ public abstract class PathNavigation {
public final PathFinder pathFinder;
private boolean isStuck;
+ // Paper start
+ public boolean isViableForPathRecalculationChecking() {
+ return !this.needsPathRecalculation() &&
+ (this.path != null && !this.path.isDone() && this.path.getNodeCount() != 0);
+ }
+ // Paper end
+
public PathNavigation(Mob mob, Level world) {
this.mob = mob;
this.level = world;
@@ -405,7 +412,7 @@ public abstract class PathNavigation {
}
public void recomputePath(BlockPos pos) {
- if (this.path != null && !this.path.isDone() && this.path.getNodeCount() != 0) {
+ if (this.path != null && !this.path.isDone() && this.path.getNodeCount() != 0) { // Paper - diff on change - needed for isViableForPathRecalculationChecking()
Node node = this.path.getEndNode();
Vec3 vec3 = new Vec3(((double)node.x + this.mob.getX()) / 2.0D, ((double)node.y + this.mob.getY()) / 2.0D, ((double)node.z + this.mob.getZ()) / 2.0D);
if (pos.closerThan(vec3, (double)(this.path.getNodeCount() - this.path.getNextNodeIndex()))) {
diff --git a/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java b/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
index 976d206a17add01a31ae38b966913368cf386cb1..28c1f144f2cc8675ed61dc814456859309970480 100644
--- a/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
+++ b/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
@@ -71,6 +71,65 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
}
// CraftBukkit end
+ // Paper start - optimise notify()
+ public final void removeNavigatorsFromData(Entity entity, final int chunkX, final int chunkZ) {
+ if (!(entity instanceof net.minecraft.world.entity.Mob)) {
+ return;
+ }
+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section =
+ this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.getRegionSection(chunkX, chunkZ);
+ if (section != null) {
+ net.minecraft.server.level.ChunkMap.DataRegionSectionData sectionData = (net.minecraft.server.level.ChunkMap.DataRegionSectionData)section.sectionData;
+ sectionData.removeFromNavigators(section, ((net.minecraft.world.entity.Mob)entity));
+ }
+ }
+
+ public final void removeNavigatorsFromData(Entity entity) {
+ if (!(entity instanceof net.minecraft.world.entity.Mob)) {
+ return;
+ }
+ BlockPos entityPos = entity.blockPosition();
+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section =
+ this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.getRegionSection(entityPos.getX() >> 4, entityPos.getZ() >> 4);
+ if (section != null) {
+ net.minecraft.server.level.ChunkMap.DataRegionSectionData sectionData = (net.minecraft.server.level.ChunkMap.DataRegionSectionData)section.sectionData;
+ sectionData.removeFromNavigators(section, ((net.minecraft.world.entity.Mob)entity));
+ }
+ }
+
+ public final void addNavigatorsIfPathingToRegion(Entity entity) {
+ if (!(entity instanceof net.minecraft.world.entity.Mob)) {
+ return;
+ }
+ BlockPos entityPos = entity.blockPosition();
+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section =
+ this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.getRegionSection(entityPos.getX() >> 4, entityPos.getZ() >> 4);
+ if (section != null) {
+ net.minecraft.server.level.ChunkMap.DataRegionSectionData sectionData = (net.minecraft.server.level.ChunkMap.DataRegionSectionData)section.sectionData;
+ if (((net.minecraft.world.entity.Mob)entity).getNavigation().isViableForPathRecalculationChecking()) {
+ sectionData.addToNavigators(section, ((net.minecraft.world.entity.Mob)entity));
+ }
+ }
+ }
+
+ public final void updateNavigatorsInRegion(Entity entity) {
+ if (!(entity instanceof net.minecraft.world.entity.Mob)) {
+ return;
+ }
+ BlockPos entityPos = entity.blockPosition();
+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section =
+ this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.getRegionSection(entityPos.getX() >> 4, entityPos.getZ() >> 4);
+ if (section != null) {
+ net.minecraft.server.level.ChunkMap.DataRegionSectionData sectionData = (net.minecraft.server.level.ChunkMap.DataRegionSectionData)section.sectionData;
+ if (((net.minecraft.world.entity.Mob)entity).getNavigation().isViableForPathRecalculationChecking()) {
+ sectionData.addToNavigators(section, ((net.minecraft.world.entity.Mob)entity));
+ } else {
+ sectionData.removeFromNavigators(section, ((net.minecraft.world.entity.Mob)entity));
+ }
+ }
+ }
+ // Paper end - optimise notify()
+
void removeSectionIfEmpty(long sectionPos, EntitySection<T> section) {
if (section.isEmpty()) {
this.sectionStorage.remove(sectionPos);
@@ -462,11 +521,25 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
@Override
public void onMove() {
BlockPos blockposition = this.entity.blockPosition();
- long i = SectionPos.asLong(blockposition);
+ long i = SectionPos.asLong(blockposition); final long newSectionPos = i; // Paper - diff on change, new position section
if (i != this.currentSectionKey) {
PersistentEntitySectionManager.this.entitySliceManager.moveEntity((Entity)this.entity); // Paper
- Visibility visibility = this.currentSection.getStatus();
+ Visibility visibility = this.currentSection.getStatus(); final Visibility oldVisibility = visibility; // Paper - diff on change - this should be OLD section visibility
+ // Paper start
+ int shift = PersistentEntitySectionManager.this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.regionChunkShift;
+ int oldChunkX = io.papermc.paper.util.CoordinateUtils.getChunkSectionX(this.currentSectionKey);
+ int oldChunkZ = io.papermc.paper.util.CoordinateUtils.getChunkSectionZ(this.currentSectionKey);
+ int oldRegionX = oldChunkX >> shift;
+ int oldRegionZ = oldChunkZ >> shift;
+
+ int newRegionX = io.papermc.paper.util.CoordinateUtils.getChunkSectionX(newSectionPos) >> shift;
+ int newRegionZ = io.papermc.paper.util.CoordinateUtils.getChunkSectionZ(newSectionPos) >> shift;
+
+ if (oldRegionX != newRegionX || oldRegionZ != newRegionZ) {
+ PersistentEntitySectionManager.this.removeNavigatorsFromData((Entity)this.entity, oldChunkX, oldChunkZ);
+ }
+ // Paper end
if (!this.currentSection.remove(this.entity)) {
PersistentEntitySectionManager.LOGGER.warn("Entity {} wasn't found in section {} (moving to {})", this.entity, SectionPos.of(this.currentSectionKey), i);
@@ -478,6 +551,11 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
entitysection.add(this.entity); // CraftBukkit - decompile error
this.currentSection = entitysection;
this.currentSectionKey = i;
+ // Paper start
+ if ((oldRegionX != newRegionX || oldRegionZ != newRegionZ) && oldVisibility.isTicking() && entitysection.getStatus().isTicking()) {
+ PersistentEntitySectionManager.this.addNavigatorsIfPathingToRegion((Entity)this.entity);
+ }
+ // Paper end
this.updateStatus(visibility, entitysection.getStatus());
}
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